Hi Rob,
> On Oct 10, 2016, at 23:10 , Rob Herring <robh@xxxxxxxxxx> wrote:
>
> On Fri, Oct 07, 2016 at 06:19:32PM +0300, Pantelis Antoniou wrote:
>> From: Georgi Vlaev <gvlaev@xxxxxxxxxxx>
>>
>> Add DT bindings document for the PTXPMB extended CPLD device.
>>
>> Signed-off-by: Georgi Vlaev <gvlaev@xxxxxxxxxxx>
>> [Ported from Juniper kernel]
>> Signed-off-by: Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>
>> ---
>> .../bindings/mfd/jnx-ptxpmb-ext-cpld.txt | 35 ++++++++++++++++++++++
>> 1 file changed, 35 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/mfd/jnx-ptxpmb-ext-cpld.txt
>>
>> diff --git a/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-ext-cpld.txt b/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-ext-cpld.txt
>> new file mode 100644
>> index 0000000..098a548a
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-ext-cpld.txt
>> @@ -0,0 +1,35 @@
>> +* Device tree bindings for Juniper's PTXPMB Extended CPLD FPGA MFD driver
>> +
>> +The device supports a gpio block which is described in the
>> +jnx-gpio-ptxpmb-ext-cpld document.
>> +
>> +Required properties:
>> +
>> +- compatible: "jnx,ptxpmb-ext-cpld"
>> +
>> +- reg: contains offset/length value for device state control
>> + registers space.
>> +
>> +Optional properties:
>> +
>> +- interrupts: The interrupt line(s) the /IRQ signal(s) for the device is
>> + connected to.
>> +
>> +- interrupt-parent: The parent interrupt controller.
>> +
>> +Example:
>> +
>> +ext-cpld@1,0 {
>> + compatible = "jnx,ptxpmb-ext-cpld";
>> + reg = <0x1 0 0x1000>;
>
> What's the bus type here? Unit address is probably wrong.
>
localbus on a gpmc memory controller.
>> + interrupt-parent = <&mpic>;
>> + interrupts = <7 2>, <8 2>;
>> +
>> + gpio_ext_cpld: cpld-ext-gpio {
>> + compatible = "jnx,gpio-ptxpmb-ext-cpld";
>> + #gpio-cells = <2>;
>> + #interrupt-cells = <2>;
>> + gpio-controller;
>> + interrupt-controller;
>> + };
>> +};
>> --
>> 1.9.1
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